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From "Thiruvel Thirumoolan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-3911) udaf_percentile_approx.q fails with Hadoop 0.23.5 when map-side aggr is disabled.
Date Tue, 12 Feb 2013 17:39:13 GMT

     [ https://issues.apache.org/jira/browse/HIVE-3911?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thiruvel Thirumoolan updated HIVE-3911:
---------------------------------------

    Attachment: HIVE-3911.patch
    
> udaf_percentile_approx.q fails with Hadoop 0.23.5 when map-side aggr is disabled.
> ---------------------------------------------------------------------------------
>
>                 Key: HIVE-3911
>                 URL: https://issues.apache.org/jira/browse/HIVE-3911
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.10.0
>            Reporter: Thiruvel Thirumoolan
>             Fix For: 0.11.0
>
>         Attachments: HIVE-3911.patch
>
>
> I am running Hive10 unit tests against Hadoop 0.23.5 and udaf_percentile_approx.q fails
with a different value when map-side aggr is disabled and only when 3rd argument to this UDAF
is 100. Matches expected output when map-side aggr is enabled for the same arguments.
> This test passes when hadoop.version is 1.1.1 and fails when its 0.23.x or 2.0.0-alpha
or 2.0.2-alpha.
>     [junit] 20c20
>     [junit] < 254.08333333333331
>     [junit] ---
>     [junit] > 252.77777777777777
>     [junit] 47c47
>     [junit] < 254.08333333333331
>     [junit] ---
>     [junit] > 252.77777777777777
>     [junit] 74c74
>     [junit] < [23.355555555555558,254.08333333333331,477.0625,489.5466666666667]
>     [junit] ---
>     [junit] > [24.07,252.77777777777777,476.9444444444444,487.82]
>     [junit] 101c101
>     [junit] < [23.355555555555558,254.08333333333331,477.0625,489.5466666666667]
>     [junit] ---
>     [junit] > [24.07,252.77777777777777,476.9444444444444,487.82]

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